1212580 has 24 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 459360.

The previous prime is 1212569. The next prime is 1212611. The reversal of 1212580 is 852121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216 + ... + 1975.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

2^1212580 is an apocalyptic number.

1212580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212580 is an abundant number, since it is smaller than the sum of its proper divisors (1468700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212580 is a wasteful number, since it uses less digits than its factorization.

1212580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1212580 is about 1101.1721028068. The cubic root of 1212580 is about 106.6359069292.

It can be divided in two parts, 121 and 2580, that added together give a triangular number (2701 = T₇₃).

The spelling of 1212580 in words is "one million, two hundred twelve thousand, five hundred eighty".